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How much heat energy, in kilojoules, is required to convert 32.0 g of ice at −18.0...

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Chemistry

How much heat energy, in kilojoules, is required to convert 32.0g of ice at −18.0 ∘C to water at 25.0 ∘C ? Express your answer tothree significant figures and include the appropriate units.

How long would it take for 1.50 mol of water at 100.0 ∘C to beconverted completely into steam if heat were added at a constantrate of 25.0 J/s ?

Express your answer to three significant figures and include theappropriate units.

Answer & Explanation Solved by verified expert
4.1 Ratings (846 Votes)
1mass of Ice 320ga Temperature changes from 18C to 0Cm 320 gramsT 0 18 18Cspecific heat capacity of ice s 209 JgCq1 msTq1 320 x 209 x 18 120384 Jq2    See Answer
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